Alison Shared "Big One" - 997 Picmonics
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Big One
Leflunomide
- Inhibits dihydroorate dehydrogenase
- Reduces de novo pyrimidine synthesis
- Reduces activated T cells
- Onset of action after 6 weeks
- Indications
- Inflammatory arthritis
- Systemic Lupus Erythematosus (SLE)
- Side Effects
- Teratogen
- Rash
- Alopecia
- Diarrhea
- Hepatotoxicity
- Bone marrow toxicity
- Long half-life
Hydroxyurea
- Mechanism
- Inhibits Ribonucleotide Reductase
- Decreased DNA Synthesis
- S-phase Specific
- Indications
- Melanoma
- Chronic Myelogenous Leukemia (CML)
- Sickle Cell Disease
- Through Increased HbF (Fetal Hemoglobin)
- Side Effects
- Myelosuppression
- GI Distress
2 mins
Fluorouracil (5-FU)
- Mechanism
- Antimetabolite
- "Thymine-less Death"
- Indications
- Slow-growing Solid Tumors
- Co-administered with Leucovorin for Stomach Cancer
- Basal Cell Carcinoma (Topical)
- Side Effects
- Myelosuppression
- Mucositis
- Severe Diarrhea
3 mins
Methotrexate
- Indications
- Rheumatoid Arthritis
- Cancer
- Medical Abortion
- Mechanism
- Folic Acid Analog
- Inhibits Dihydrofolate Reductase
- Side Effects
- Pulmonary Fibrosis
- Myelosuppression is Treated with Leucovorin Rescue (Folinic Acid)
- Macrocytic Anemia
- Hepatitis
- Teratogenic
- Mucositis
2 mins
Azathioprine (Imuran)
- Mechanism
- Antimetabolite
- Prodrug of 6-mercaptopurine (6-MP)
- Inhibits Synthesis of Nucleic Acids
- Indications
- Autoimmune Disorders
- Kidney Transplantation
- Side Effects
- Myelosuppression
- Increased Toxicity with Allopurinol Use
- Pancreatitis
- Malignancy
3 mins
Ribavirin
- Mechanism
- Hypermutation in RNA Viruses
- Inhibits Inosine Monophosphate Dehydrogenase
- Indications
- Hepatitis C
- Viral Hemorrhagic Fevers
- Respiratory Syncytial Virus (RSV)
- Side Effects
- Hemolytic Anemia
- Teratogen
1 min
Trimethoprim
- Mechanism of Action
- Bacteriostatic
- Inhibits Bacterial Dihydrofolate Reductase
- Causes Sequential Block of Folate Synthesis
- Used in Combination with Sulfamethoxazole
- Combination Used For Recurrent Urinary Tract Infections
- Indications
- Shigella
- Salmonella
- Pneumocystis Jiroveci Pneumonia
- Side Effects
- Decrease in Red and White Blood Cells
- Alleviated with Leucovorin Rescue
2 mins
Gout Treatment
- Acute (Acute-angle)
- NSAIDs
- Glucocorticoids
- Colchicine
- Impairs Leukocyte Chemotaxis
- Chronic Gout (Crone Goat)
- Inhibit Xanthine Oxidase
- Allopurinol
- Febuxostat
- Inhibit Reabsorption of Uric Acid
- Probenecid
1 min
Adenosine Deaminase Deficiency
- Adenosine to Inosine
- Excess ATP
- Inhibition of Ribonucleotide Reductase
- Prevents DNA Synthesis
- Decreases B Cells and T Cells
- Major cause of SCID
1 min
Lesch-Nyhan Syndrome
- X-linked Recessive
- Absence of HGPRT
- Hypoxanthine to IMP
- Guanine to GMP
- Excess uric acid
- Gout
- Retardation
- Self-mutilation
- Choreoathetosis
- PRPP is increased
2 mins
Xeroderma Pigmentosum
- Pathophysiology
- Defective Nucleotide Excision Repair
- Complications
- Extreme Light Sensitivity
- Dark Freckles on Skin
- Pale, Dry Skin
- Susceptible to UV Rays A and B
- Corneal Ulcers
- Increased Risk of Skin Cancer
- Some Patients Present Progressive Neurodegeneration
2 mins
Lynch Syndrome (Hereditary Nonpolyposis Colorectal Cancer)
- Characteristics
- Autosomal Dominant
- Defective DNA Mismatch Repair
- 80% Risk of Colon Cancer Development
- Proximal (Right) Colon
- Type II associated with Endometrial, Ovarian and Skin Cancers
- 3-2-1 Rule
- 3 Relatives with Colon Cancer
- Occurs Across 2 Generations
- 1 Relative Diagnosed < 50 Years Old
- Treatment
- Frequent Screening
- Colectomy
3 mins
Rifampin
- Tuberculosis (TB)
- Blocks RNA Polymerization
- Haemophilus influenzae Type B
- Leprosy
- Meningitis
- P450 inducer
- Red-orange urine
55 secs
Dactinomycin (Actinomycin D)
- Indications
- Wilms' Tumor
- Rhabdomyosarcoma
- Ewing's Sarcoma
- Gestational Trophoblastic Malignancy
- Mechanism
- Intercalates DNA
- Side Effect
- Myelosuppression
1 min
Cell Cycle Phases
- Characteristics
- G0 Phase
- Growth Arrest
- G1 Phase
- G1 Check By Rb And p53
- S Phase
- DNA Mismatch Repair
- DNA Synthesis
- G2 Phase
- G2 Check
- M Phase
- Mitosis And Cytokinesis
3 mins
I-Cell Disease (inclusion cell disease/mucolipidosis type II)
- I-Cell Disease
- Inherited lysosomal storage disorder
- Defect in N-acetylglucosaminyl-1-phosphotransferase
- Failure of the Golgi to phosphorylate mannose residues (ie,mannose-6-phosphate) on glycoproteins
- Proteins are secreted extracellularly rather than delivered to lysosomes
- Coarse facial features
- Clouded corneas
- Restricted joint movement
- High plasma levels of lysosomal enzymes
- Often fatal in childhood
Thiabendazole
- Thiabendazole
- Thiabendazole is given to treat intestinal parasites
- Thiabendazole treats nematodes.
- Thiabendazole treats trichinosis.
- Mebendazole
- Mebendazole
- Cestode (Tapeworm)
- Taenia Solium
- Echinococcus Granulosus
Kartagener Syndrome (Primary Ciliary Dyskinesia)
- inheritance pattern
- Autosomal Recessive
- pathogenesis
- Immotile Cilia Due to a Dynein Arm Defect
- Symptoms
- Decreased Male and Female Fertility
- Immotile Sperm
- Dysfunctional Fallopian Tube Cilia
- Increased Risk of Ectopic Pregnancy
- Bronchiectasis
- Recurrent Sinusitis
- Chronic Ear Infections
- Conductive Hearing Loss
- Situs Inversus (Dextrocardia on Chest X-Ray)
- SCreening
- Decreased Nasal Nitric Oxide Used as Screening Test
5 mins
Collagen Types
- Mnemonic: Be (So Totally) Cool, Read Books
- Type I Collagen
- Bone
- Skin
- Tendon
- Type II Collagen
- Cartilage
- Type III Collagen
- Reticulin - skin
- Blood vessels
- Uterus
- Type IV Collagen
- Basement membrane
Osteogenesis Imperfecta
- Pathophysiology
- Autosomal Dominant
- Decreased Type I Collagen Production
- Symptoms
- Phenotypically Diverse
- Brittle Bone Disease
- Fractures from Minimal Trauma
- Confused with Child Abuse
- Hearing Loss
- Dental Imperfections
- Blue Sclera
1 min
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